I need to give a 'Active Directory User Group' read access to a tabular model database. I am not able to find the group when searched, to add it to a role.
As mentioned here for a database instance, adding the group to 'Logins' in 'Security' Folder is the first step. But 'Security' folder is not there in case of tabular model as shown in screen shot below. First one out of 3 is Tabular Model instance:

(source: sqlmusings.com)
I am admin for the server if that would be required. How to give 'Active Directory User Group' read access to a tabular model?
